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121 lines (100 loc) · 4.18 KB
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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
/// \file DataSourceOnline.h
/// \brief Grouping reading from file(s)
/// \author julian.myrcha@cern.ch
#include <EventVisualisationBase/DataSourceOnline.h>
#include <TSystem.h>
#include <TEveTreeTools.h>
#include <TEveTrack.h>
#include <TEveManager.h>
#include <TFile.h>
#include <TPRegexp.h>
#include <TObject.h>
#include <filesystem>
#include <chrono>
#include <fairlogger/Logger.h>
namespace o2
{
namespace event_visualisation
{
std::vector<std::string> DataSourceOnline::sourceFilextensions = {".json", ".root", ".eve"};
std::vector<std::pair<VisualisationEvent, EVisualisationGroup>>
DataSourceOnline::getVisualisationList(int no, float minTime, float maxTime, float range)
{
auto start = std::chrono::high_resolution_clock::now();
std::vector<std::pair<VisualisationEvent, EVisualisationGroup>> res;
if (getEventCount() == 2) {
this->setRunNumber(-1); // No available data to display
return res; // 2 means there are no real data = we have only "virtual" positions
}
if (no < getEventCount()) {
assert(no >= 0);
mFileWatcher.setCurrentItem(no);
VisualisationEvent vEvent = this->mDataReader->getEvent(mFileWatcher.currentFilePath());
this->setRunNumber(vEvent.getRunNumber());
this->setRunType(vEvent.getRunType());
this->setFirstTForbit(vEvent.getFirstTForbit());
this->setCreationTime(vEvent.getCreationTime());
this->setTrackMask(vEvent.getTrkMask());
this->setClusterMask(vEvent.getClMask());
auto write_time = std::filesystem::last_write_time(mFileWatcher.currentFilePath());
auto duration = std::chrono::time_point_cast<std::chrono::system_clock::duration>(
write_time - std::filesystem::file_time_type::clock::now() + std::chrono::system_clock::now());
auto duration_time = std::chrono::system_clock::to_time_t(duration);
char time_str[100];
std::strftime(time_str, sizeof(time_str), "%a %b %d %H:%M:%S %Y", std::localtime(&duration_time));
this->setFileTime(time_str);
double period = vEvent.getMaxTimeOfTracks() - vEvent.getMinTimeOfTracks();
if (period > 0) {
this->mTimeFrameMinTrackTime = minTime * period / range + vEvent.getMinTimeOfTracks();
this->mTimeFrameMaxTrackTime = maxTime * period / range + vEvent.getMinTimeOfTracks();
} else {
this->mTimeFrameMinTrackTime = vEvent.getMinTimeOfTracks();
this->mTimeFrameMaxTrackTime = vEvent.getMaxTimeOfTracks();
}
for (auto filter = EVisualisationGroup::ITS;
filter != EVisualisationGroup::NvisualisationGroups;
filter = static_cast<EVisualisationGroup>(static_cast<int>(filter) + 1)) {
auto filtered = VisualisationEvent(vEvent, filter, this->mTimeFrameMinTrackTime, this->mTimeFrameMaxTrackTime);
res.push_back(std::make_pair(filtered, filter)); // we can switch on/off data
}
}
auto stop = std::chrono::high_resolution_clock::now();
auto duration = std::chrono::duration_cast<std::chrono::microseconds>(stop - start);
LOGF(info, "getVisualisationList: ", duration.count());
return res;
}
DataSourceOnline::DataSourceOnline(const std::vector<std::string>& path) : mFileWatcher(path, sourceFilextensions)
{
}
int DataSourceOnline::getEventCount()
{
return this->mFileWatcher.getSize();
}
void DataSourceOnline::setCurrentEvent(Int_t currentEvent)
{
this->mFileWatcher.setCurrentItem(currentEvent);
}
bool DataSourceOnline::refresh()
{
return this->mFileWatcher.refresh();
}
Int_t DataSourceOnline::getCurrentEvent()
{
return mFileWatcher.getPos();
}
o2::detectors::DetID::mask_t DataSourceOnline::getDetectorsMask()
{
return o2::dataformats::GlobalTrackID::getSourcesDetectorsMask(mTrackMask);
}
} // namespace event_visualisation
} // namespace o2